Elevator floor registration button



FIG. 1 is a front perspective view of an elevator floor registration button showing the new design;

FIG. 2 is a front view of the design;

FIG. 3 is a top view of the design; and

FIG. 4 is an elevational view of the left side of the design.

The numerals are shown in broken lines for illustrative purposes only. The button is stippled to show contrast between the button and plate and to indicate a gentle concave curvature in the face of the button. 

The ornamental design for an elevator floor registration button, as shown and described. 